Finding the Fourth Proportional to 64,300.31, 96,512.72 and 31,043.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,300.31 : 96,512.72 = 31,043.72 : x
2. Step 2: Convert to fraction form
   64,300.31/96,512.72 = 31,043.72/x
3. Step 3: Cross multiply
   64,300.31x = 96,512.72 × 31,043.72
4. Step 4: Simplify right side
   64,300.31x = 2,996,113,856.12
5. Step 5: Solve for x
   x = 2,996,113,856.12/64,300.31
6. Step 6: Final answer
   x = 46,595.64